The Sufficient (Vol 2) · Hadith 924 (#Ḥadīth #24)
Chapter 106 | The Severity of the Trial of a Believer
24ـ عَنْهُ عَنِ ابْنِ فَضَّالٍ عَنْ مُثَنًّى الْحَنَّاطِ عَنْ أَبِي أُسَامَةَ عَنْ أَبِي عَبْدِ الله (عَلَيهِ السَّلام) قَالَ قَالَ الله عَزَّ وَجَلَّ لَوْ لا أَنْ يَجِدَ عَبْدِيَ الْمُؤْمِنُ فِي قَلْبِهِ لَعَصَّبْتُ رَأْسَ الْكَافِرِ بِعِصَابَةِ حَدِيدٍ لا يُصَدَّعُ رَأْسُهُ أَبَداً.
24. It is narrated from him (narrator of the Hadith above) from ibn Faddal from Muthanna al-Hannat from abu ‘Usamah from Abu ‘Abdillah who has said the following: “Allah, the Most Majestic, the Most Holy, has said, ‘Had my believing servant not felt sadness in his heart, I would have wrapped up the head of the unbelievers for protection with iron wrapping material so he would never experience any headaches.’”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).